Crucial Exams

AWS Certified Data Engineer Associate DEA-C01 Practice Question

An analytics team must build an AWS Glue Spark job that enriches 500 GB of Parquet click-stream data stored in Amazon S3 with a 5 GB customer dimension table that resides in an Amazon RDS for PostgreSQL instance. The solution must minimize infrastructure management, let multiple future jobs reuse the same metadata, and ensure that all traffic stays within the VPC. Which approach meets these requirements?

  • Use AWS DMS to replicate the RDS table into Amazon DynamoDB and query DynamoDB from the Glue Spark job for the customer dimension data.

  • Set up AWS Database Migration Service to export the RDS table to Amazon S3 each night, crawl the exported files, and join them with the click-stream data in the Glue job.

  • Configure Amazon Athena with the PostgreSQL federated query connector and have the Glue job retrieve the customer table by querying Athena during each run.

  • Create an AWS Glue JDBC connection to the RDS endpoint in the VPC, run a crawler with that connection to catalog the customer table, and have the Glue Spark job read the cataloged JDBC table alongside the Parquet files.

AWS Certified Data Engineer Associate DEA-C01
Data Ingestion and Transformation
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